mirror of
https://github.com/Terranom674/Piwigo_Bratonien_Tools.git
synced 2026-09-19 15:14:34 +00:00
99 lines
3.5 KiB
PHP
99 lines
3.5 KiB
PHP
<?php
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if (!defined('PHPWG_ROOT_PATH'))
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{
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die('Hacking attempt!');
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}
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function bratonien_tools_webdav_derivative_matches_preview($derivative_path, $params, $image_id)
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{
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$derivative_path = (string)$derivative_path;
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$image_id = (int)$image_id;
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if ($derivative_path === '' || $image_id < 1 || !is_file($derivative_path) || !is_readable($derivative_path)) return false;
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$info = bratonien_tools_webdav_image_source_info($image_id);
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if (!$info) return false;
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$preview = bratonien_tools_webdav_preview_path($info);
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if (!$preview || !is_file($preview) || !is_readable($preview)) return false;
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$preview_size = @getimagesize($preview);
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$derivative_size = @getimagesize($derivative_path);
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if (!is_array($preview_size) || empty($preview_size[0]) || empty($preview_size[1])) return false;
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if (!is_array($derivative_size) || empty($derivative_size[0]) || empty($derivative_size[1])) return false;
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try
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{
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$expected_size = $params->compute_final_size(array((int)$preview_size[0], (int)$preview_size[1]));
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}
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catch (Throwable $e)
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{
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return false;
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}
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if (!is_array($expected_size) || !isset($expected_size[0], $expected_size[1])) return false;
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if ((int)$derivative_size[0] !== (int)$expected_size[0] || (int)$derivative_size[1] !== (int)$expected_size[1]) return false;
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$preview_mtime = @filemtime($preview) ?: 0;
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$derivative_mtime = @filemtime($derivative_path) ?: 0;
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if ($preview_mtime > 0 && $derivative_mtime < $preview_mtime) return false;
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return true;
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}
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function bratonien_tools_webdav_ondemand_derivative_url($image_id, $params)
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{
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$image_id = (int)$image_id;
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if ($image_id < 1 || !is_object($params)) return null;
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$type = trim((string)($params->type ?? ''));
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if ($type === '') return null;
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return get_root_url().'plugins/'.BRATONIEN_TOOLS_ID.'/webdav-derivative.php?id='.$image_id.'&type='.rawurlencode($type);
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}
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function bratonien_tools_filter_webdav_gallery_derivative_url($url, $params, $src_image, $rel_url)
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{
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if (!is_object($src_image) || empty($src_image->id) || empty($src_image->rel_path)) return $url;
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$source_path = str_replace('\\', '/', (string)$src_image->rel_path);
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if (!preg_match('#/nc-webdav-source/connection-[0-9]+/root-[0-9]+/.+$#', $source_path))
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{
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return $url;
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}
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$image_id = (int)$src_image->id;
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try
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{
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$derivative = new DerivativeImage($params, $src_image);
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if (!$derivative->same_as_source())
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{
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$derivative_path = $derivative->get_path();
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if (bratonien_tools_webdav_derivative_matches_preview($derivative_path, $params, $image_id))
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{
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return $url;
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}
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}
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}
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catch (Throwable $e)
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{
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error_log('Bratonien WebDAV derivative lookup #'.$image_id.': '.$e->getMessage());
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}
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// Auf der Picture-/Fotorama-Seite wird nicht mehr waehrend des HTML-Aufbaus
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// synchron erzeugt. Fotorama arbeitet lazy: Erst wenn das konkrete Bild in
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// den Fokus kommt und seine URL abruft, erzeugt dieser Endpoint genau dieses
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// angeforderte Standard-Derivat aus dem bereits gecachten NC-Preview.
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$script_name = basename((string)($_SERVER['SCRIPT_NAME'] ?? ''));
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if ($script_name === 'picture.php')
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{
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$ondemand_url = bratonien_tools_webdav_ondemand_derivative_url($image_id, $params);
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if ($ondemand_url) return $ondemand_url;
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}
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// Galerie-Fallback: niemals Connector-Platzhalter ausliefern. Solange kein
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// lokales korrektes Derivat vorliegt, wird das echte vorbereitete NC-Preview
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// verwendet. Der eigentliche Galerie-Derivattyp wird beim Sync vorgebaut.
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$preview_url = bratonien_tools_webdav_image_url($image_id, true);
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return $preview_url ?: $url;
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}
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